Finding the Fourth Proportional to 2,069.34, 3,106.03 and 1,683.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.34 : 3,106.03 = 1,683.78 : x
2. Step 2: Convert to fraction form
   2,069.34/3,106.03 = 1,683.78/x
3. Step 3: Cross multiply
   2,069.34x = 3,106.03 × 1,683.78
4. Step 4: Simplify right side
   2,069.34x = 5,229,871.19
5. Step 5: Solve for x
   x = 5,229,871.19/2,069.34
6. Step 6: Final answer
   x = 2,527.31